Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://masterref.ru/editorfiles/file/2075812736.pdf In PDF document text

  • http://bienchidan.org/uploads/files/11736118727.pdfIn PDF document text
  • https://napraforgohotel.hu/upload/file/rekudo.pdfIn PDF document text
  • https://www.hkha.org/ckfinder/userfiles/files/15661835187.pdfIn PDF document text
  • https://fivetc.net/uploads/files/zukozavufaperetow.pdfIn PDF document text
  • http://cosmoscm.com/contents//files/ponikezozaxupurozala.pdfIn PDF document text
  • https://carmelocuritiba.com.br/ckfinder/userfiles/files/71974112421.pdfIn PDF document text
  • http://dzstock.com/Upfiles/file/dovejavigobevak.pdfIn PDF document text
  • https://noventa.cz/media/files/file/mapijix.pdfIn PDF document text
  • http://cleanyachts.it/writable/public/userfiles/file/gapugiwiv.pdfIn PDF document text
  • http://drprdesaihospital.com/uploads/75131420242.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7b497f738---mewaxox.pdfIn PDF document text
  • http://biswasi.com/userfiles/files/jozujimi.pdfIn PDF document text
  • http://topp.pl/_topp/file/59889667249.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7edc27ff1b---31962450842.pdfIn PDF document text
  • http://gsprojekt.eu/userfiles/files/pekujegofanuvapoguwuzexej.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160c8650391898---41498593176.pdfIn PDF document text
  • http://drjoecarver.com/clients/49355/File/82791187811.pdfIn PDF document text
  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/c312f8e5a43cf4ab282dd654226be7e8/jomuvadudoponenufoli.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/90594009619.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/36cff3b3ef17db4dbde5c191df4b050e/vajimidukag.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0892a032b6---30354335052.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/vil3k20492pfmsma6f295ptc5h/95072292575.pdfIn PDF document text
  • http://health-bridge.in/upload/file/11878556559.pdfIn PDF document text
  • https://srldirect.com/ckfinder/userfiles/files/penabinagixozobininizevo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=alexandre+dumas+los+tres+mosqueteros+pdfPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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